Ball Bearings vs. Roller Bearings: Which One Does Your Application Actually Need?
Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,

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Fafnir 3MM210WI-DUM Bearing – Optimal Precision for Your Machinery Elevate your machinery’s performance with the Fafnir 3MM210WI-DUM Bearing, an exceptional angular contact ball bearing proudly made in the USA. With precise dimensions of 50x90x20 mm, this bearing is expertly engineered to deliver unparalleled reliability and accuracy, making it essential for a wide range of industrial and commercial applications. Key Features: Brand: FAFNIR Model: 2MM210WI-DUM / 7210A T DUM P4 MPN: 2MM210WIDUM Condition: New – Open box Manufactured in: United States Width: 20 mm This Fafnir bearing is a critical component for professionals who demand high-quality parts to ensure the smooth operation of their equipment. Known for its outstanding load capacity and remarkable durability, it is the ideal choice to meet the rigorous demands of modern machinery. To enhance your buying experience, we offer competitive pricing, international shipping, and combined shipping options designed to save you money. Enjoy same-day shipping on all orders, with expedited next-day shipping available at checkout. If you have questions or need assistance locating a specific part, please do not hesitate to reach out. We are committed to helping you find the perfect fit for your needs!
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM210WIDUM |
| Model | 2 MM 210 WI DUM / 7210A T DUM P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 50 mm |
| OD | 90 mm |
| Width | 20 mm |
| Advertise | 1 |
|---|---|
| Material | Bearing Steel |
| Min Temp | -30°C |
| Cage Type | Phenolic |
| Dynamic Load Rating | 37.1 kN |
| Static Load Rating | 26 kN |
| Precision Rating | ABEC 7 / P4 |
| Series | 7200 |
| Rolling Elements | Ball |
| Max Temp | 120°C |
| Condition | New – Open box |
| Item Weight | 0.98 lbs |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Lubricant | Oil |
| Harmonization Code | 8482.10.50.28 |
| Contact Angle | 25° |
| Preload | Medium |
| Mounting Arrangement | Universal |
| Cross Reference 1 | SKF 7210 CD/P4DGB |
|---|---|
| Cross Reference 2 | NSK 7210A5TYNDUMP4 |
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$191.23
1 in stock
Back in stock
$234.27
28 in stock
Hot item
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